Frontline Plus is a safe spot-on solution that’s easy to apply to your pet’s skin. Not only does it kill fleas and ticks, it stops their eggs from hatching and breaks the rapid lifecycle that causes infestation in your home. The active ingredients continue to work for a number of weeks before wearing off, so it’s important you continue to treat your dog regularly. When you sign up for our subscription service, we’ll deliver your dog’s treatments each month, at the right time, to keep them flea and tick free, forever.